Convert all foreach() to range-based for()

src/app/application.cpp

@@ -428,7 +428,7 @@ void Application::processParams(const QStringList &params)
     BitTorrent::AddTorrentParams torrentParams;
     TriStateBool skipTorrentDialog;
 
-    foreach (QString param, params) {
+    for (QString param : params) {
         param = param.trimmed();
 
         // Process strings indicating options specified by the user.

src/app/cmdoptions.cpp

@@ -41,6 +41,7 @@
 #include <QMessageBox>
 #endif
 
+#include "base/global.h"
 #include "base/utils/misc.h"
 #include "base/utils/string.h"
 
@@ -497,7 +498,7 @@ QString wrapText(const QString &text, int initialIndentation = USAGE_TEXT_COLUMN
     QStringList lines = {words.first()};
     int currentLineMaxLength = wrapAtColumn - initialIndentation;
 
-    foreach (const QString &word, words.mid(1)) {
+    for (const QString &word : copyAsConst(words.mid(1))) {
         if (lines.last().length() + word.length() + 1 < currentLineMaxLength) {
             lines.last().append(' ' + word);
         }

src/app/filelogger.cpp

@@ -33,6 +33,7 @@
 #include <QFile>
 #include <QTextStream>
 
+#include "base/global.h"
 #include "base/logger.h"
 #include "base/utils/fs.h"
 
@@ -50,7 +51,7 @@ FileLogger::FileLogger(const QString &path, const bool backup, const int maxSize
         this->deleteOld(age, ageType);
 
     const Logger *const logger = Logger::instance();
-    foreach (const Log::Msg &msg, logger->getMessages())
+    for (const Log::Msg &msg : copyAsConst(logger->getMessages()))
         addLogMessage(msg);
 
     connect(logger, &Logger::newLogMessage, this, &FileLogger::addLogMessage);
@@ -87,7 +88,7 @@ void FileLogger::deleteOld(const int age, const FileLogAgeType ageType)
     QDateTime date = QDateTime::currentDateTime();
     QDir dir(Utils::Fs::branchPath(m_path));
 
-    foreach (const QFileInfo file, dir.entryInfoList(QStringList("qbittorrent.log.bak*"), QDir::Files | QDir::Writable, QDir::Time | QDir::Reversed)) {
+    for (const QFileInfo &file : copyAsConst(dir.entryInfoList(QStringList("qbittorrent.log.bak*"), QDir::Files | QDir::Writable, QDir::Time | QDir::Reversed))) {
         QDateTime modificationDate = file.lastModified();
         switch (ageType) {
         case DAYS:

src/app/upgrade.h

@@ -179,9 +179,9 @@ bool upgrade(bool ask = true)
 
     // ****************************************************************************************
     // Silently converts old v3.3.x .fastresume files
-    QStringList backupFiles_3_3 = backupFolderDir.entryList(
+    const QStringList backupFiles_3_3 = backupFolderDir.entryList(
                 QStringList(QLatin1String("*.fastresume.*")), QDir::Files, QDir::Unsorted);
-    foreach (const QString &backupFile, backupFiles_3_3)
+    for (const QString &backupFile : backupFiles_3_3)
         upgradeResumeFile(backupFolderDir.absoluteFilePath(backupFile));
     // ****************************************************************************************
 
@@ -197,10 +197,10 @@ bool upgrade(bool ask = true)
 
     if (ask && !userAcceptsUpgrade()) return false;
 
-    QStringList backupFiles = backupFolderDir.entryList(
+    const QStringList backupFiles = backupFolderDir.entryList(
                 QStringList(QLatin1String("*.fastresume")), QDir::Files, QDir::Unsorted);
     const QRegularExpression rx(QLatin1String("^([A-Fa-f0-9]{40})\\.fastresume$"));
-    foreach (QString backupFile, backupFiles) {
+    for (const QString &backupFile : backupFiles) {
         const QRegularExpressionMatch rxMatch = rx.match(backupFile);
         if (rxMatch.hasMatch()) {
             const QString hashStr = rxMatch.captured(1);
@@ -265,7 +265,7 @@ void migratePlistToIni(const QString &application)
     plistFile->setFallbacksEnabled(false);
     const QStringList plist = plistFile->allKeys();
     if (!plist.isEmpty()) {
-        foreach (const QString &key, plist)
+        for (const QString &key : plist)
             iniFile.setValue(key, plistFile->value(key));
         plistFile->clear();
     }